. Bulletin of the Department of Agriculture. Agriculture. Fig. 6.— Nrzara viridula: Portion of ventral surface ofmesothorax and metathorax, showing the ori- fice or osteolar canal. Coxae of legs of second and third pairs at right. Greatly enlarged. THE EGG. The egg (figs. 8 and 9) is cylin flattened on top. On the top ai. Fig. ~.— N<zarahilaris: Portion of ventral sur- face ofmesothorax and metathorax, showing the orifice or osteolar canal. Coxa! of legs of second and third pairs at right. Greatly en- larged. writer has measured gave an average diameter of mm. drical, rounded at t


. Bulletin of the Department of Agriculture. Agriculture. Fig. 6.— Nrzara viridula: Portion of ventral surface ofmesothorax and metathorax, showing the ori- fice or osteolar canal. Coxae of legs of second and third pairs at right. Greatly enlarged. THE EGG. The egg (figs. 8 and 9) is cylin flattened on top. On the top ai. Fig. ~.— N<zarahilaris: Portion of ventral sur- face ofmesothorax and metathorax, showing the orifice or osteolar canal. Coxa! of legs of second and third pairs at right. Greatly en- larged. writer has measured gave an average diameter of mm. drical, rounded at the lower end and e the short, club-shaped chorial pro- cesses arranged in a circle and at- tached to the egg between the cap and the outer edge by their smaller ends. Their distal ends are bent toward the center of the cap. The writer has found the number of chorial processes on an egg to range from 28 to 32. Whitmarsh (13),3 in his description of the stages of Nezara Jiilaris, states that there are as many as 65 of these processes on the egg of that species. The surface of the egg is rough- ened, with traces of hexagonal mark- ings. A number of eggs that the average height of mm. and an i Some writers include viridula only under this genus, placing the other three species under the genus Acrosternuni of Fieber. 2 Some authorities mention other characters by which viridula may be distinguished, hut the writer, finding some of these inconstant,considers it advisable to mention only the difference in the shape of the orifice. 3 Numbers in parentheses refer to "Literature cited," p. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Department : Supt. of Docs. , Govt. Print. Off.


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear